Diagnose and resolve latch contention on SQL Server
This guide describes how to identify and resolve latch contention issues observed when running SQL Server applications on high concurrency systems with certain workloads.
Schedule Azure SQL DB Processes using Azure Functions
Learn how to schedule processes in Azure SQL Database using an Azure Function in this easy to follow step by step tutorial.
What to do with more free time
Many data professionals have begun working remotely over the past year and a half which translates to less time spent commuting. In my own case, I’ve been a remote worker for almost ten years, but before that I spent two hours on the road each day. This got me wondering what folks have done with […]
Are You a Tech Company?
Is your company a tech company? Steve Jones looks at the world from the perspective of software development and how that impacts business.
Formatting T-SQL Scripts using ScriptDOM and PowerShell
Well-formatted scripts are always easier to maintain and enhance readability to high degree. Formatting standards are an important part of coding standards anywhere and if not, they need to be. If there are a large number of scripts this can add up to a significant amount of time needed to maintain them. It is also […]
Executing a TSQL batch multiple times using GO
Learn how to execute the same batch of SQL Server commands X number of times using the GO command.
Flyway with SQLite for Those of a Nervous Disposition
Get started with running Flyway migrations on SQLite databases, using PowerShell.
Does Log Data Belong in a Table or a File?
Today we have a guest editorial that asks how one might want to manage all those logging metrics produced by applications.
Azure Data Factory Incremental Pipeline from Azure SQL Database to Databricks
In this tip find out how to use Azure Data factory to build an incremental pipeline from Azure SQL Database to Databricks.
Blogs
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
SQL Server Still Wins
Comments posted to this topic are about the item SQL Server Still Wins
DBCC CHECKDB Limits I
Comments posted to this topic are about the item DBCC CHECKDB Limits I
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers